US2834955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radar systems
Assignee: Decca Record Co Ltd
•
Filing: 1952-09-22
•
Granted: 1958-05-13
•
Expires: 1972-09-22
Abstract
No abstract record available.
Inventors
- 👤 Tanner Stanley Rees
- 👤 Burr Ronald Lawrence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:15
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2422079A
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US2380868A
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US2524610A
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US2712646A
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US2582185A
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US2593071A
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US2597636A
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US2637782A
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US2614250A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-12 | 1961-11-11 | 1962-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-12 | 1965-11-11 | 1966-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-12 | 1969-11-11 | 1970-05-13 | $7700.00 | Window Closed / Lapsed |